Toothbrush



FIG. 1 is a front view of a toothbrush showing our new design;

FIG. 2 is right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a rear view thereof

FIG. 5 is a front view of an alternate embodiment of the toothbrush design with the views being shaded to show a contrast in color;

FIG. 6 is a right side view of FIG. 5;

FIG. 7 is a left side view of FIG. 5; and,

FIG. 8 is a rear view of FIG. 5.

The portions of the top and bottom surfaces neither shown in the drawing nor described in the specification, form no part of the claimed design. 

The ornamental design for a toothbrush, as shown and described. 